﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Algorithm.Easy_1995_CountQuadruplets
{
    class MainProject
    {
        static void Main(string[] args)
        {
            Console.WriteLine(CountQuadruplets(new int[] { 1, 1, 1, 3, 5 }));
            Console.ReadKey();
        }
        public static int CountQuadruplets(int[] nums)
        {
            //双指针  DP
            if (nums.Length < 4) return 0;

            int count = 0;
            int lastIndex = nums.Length - 1;

            while (lastIndex<=4)
            {
                for (int i = 0; i < nums.Length; i++)
                {

                }
                lastIndex--;
            }


            return count;
        }
    }
}
